Recovery of ammonia from gases containing the same



Poronfioizi binno w,

nnnimriri .orrn or onnrmrrr, noororiono i r. norm, n onrrrorr oonir v n'ncovnnr Iii'o Drawing.

5 tive} -of 'Fursienwakieoirthofisicr Ger many, and FurstonWnido-onfiio-Otier, Ger. man have invented certain new and usofui Improvements in the Recovery of Ammonia fromGosos Containing the Some, of which thefollowing is a specification.

This invention is for iIDPTGVBDIIGHiLS in and relating to the recovery of ammonia from gases containing. tho some, and has porifiicnlo'r reference to the treatment of such oi? poor ommoniacoi content.

According to thin invention, the improvoci process for the rocovory of ammonia from ammonia-containing gases is characterized by bringing the inato contact with crncio carbonaceous niotorioi conmining organic acidic bodies, such, for example, soft; niio or poot.

Tho gases moy'ioo as bar char cd with iignito is o ipro; smite of isintogmtion.

The ammonia aboorberi oy cor-honoceous motcrioi may be recover-zed therefrom by treatment of the latter with o, suitabio alkali, such foreimmpie 'os lime, or sinkori lime.

After removal of rho absorbed ammonia USTRIRIL L .w

inn flied; 331.221011 55, 19553.

Serial avoirioncc of time Wear and tear on 'iiio plant frequently oxporiencoci in the use of GEL pilurio acid as absorbent, apart from rho oconomy effected by enabling the comparatively expensive suipiiurio acid. oriiinariiy employed "so be dispenseci Wi According to this invention the ammonia is brought into chemical combination with n body which does not attack the generating piont, anti rho material is oppiica'oie for rouse in the ireotmcntof more The invention has shown itself to he porticuloriy adoptable the recover of ommonin irom Weak i tho flora-o, such as Weakly mnmoniocoi nomination producer which it has hitherto boon found cominerciaiiy iniprocaicobio to treat for the recovery oi tho ammonia,

What we ciziim as our invention and. iii-- sire to secure by M tel-o Potentic for L he troor i-i o purpow 'ng rho u "eons rootorinl couwhich consists in tzzci; wi'iii orudc minim: rho organic no ihe ammonia sorcoi'i o i ce'oos material by wearing the io oni nonio liberating oiiroii, their: fiber troatingiiie carbonaceous idiom a, mineral acid oiigiii; EXCMS to ii organic acids combined rentiiizing" itho lottor 53o further ammonia conmining 2. A process for 92hr lire/o. i niacol gases for the purpooo room-lbw, which consists in bringing the orocontno: with iignito, recovering the ammo ibsorbod by L chc iignic by ilffifi treatment oi i'zio iiitiior, thereafter treating the Ignite with iiydlrochioric acid in slight excess to iiborziro the organic acicis oornbineii wiiii tho iii-no, anti rcutiiizing the iatier for tho tron Riki? of fnrtiior :11 mo cont ining a or;

" stiniony We hm minc- 

